Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6757403 | Electroacoustic transducers | Kiyoshi Urushibata | 2004-06-29 |
| D401525 | Electronic sounder | Takahiro Sone, Yoshio Imahori, Katsuyuki Sano | 1998-11-24 |
| D401179 | Audible signal for alarm units | Takahiro Sone, Yoshio Imahori, Katsuyuki Sano | 1998-11-17 |
| 5404837 | Method for preparing a graphite intercalation compound having a metal or metal compounds inserted between adjacent graphite layers | Yoshikazu Yoshimoto, Yoshiyuki Higashigaki, Shigeo Nakajima, Toshio Inoguchi | 1995-04-11 |
| 5316858 | Materials for thermoelectric and light-heat conversion | Yoshiyuki Higashigaki, Yoshikazu Yoshimoto, Shigeo Nakajima, Toshio Inoguchi | 1994-05-31 |
| 5273778 | Method for producing graphite intercalation compound | Yoshikazu Yoshimoto, Yoshiyuki Higashigaki, Shigeo Nakajima, Toshio Inoguchi | 1993-12-28 |
| 5169508 | Graphite electrode | Hiroshi Wada, Yoshikazu Yoshimoto, Masaru Yoshida | 1992-12-08 |
| 5080930 | Thermal CVD for the production of an electrode comprising a graphite composition | Hiroshi Wada, Yoshikazu Yoshimoto, Masaru Yoshida, Shigeo Nakajima | 1992-01-14 |
| 5068126 | Process for producing graphite electrodes | Hiroshi Wada, Yoshikazu Yoshimoto, Masaru Yoshida | 1991-11-26 |
| 5049409 | Method for metal or metal compounds inserted between adjacent graphite layers | Yoshikazu Yoshimoto, Yoshiyuki Higashigaki, Shigeo Nakajima, Toshio Inoguchi | 1991-09-17 |
| 4978600 | Electrode and a method for the production of the same | Hiroshi Wada, Yoshikazu Yoshimoto, Masaru Yoshida, Shigeo Nakajima | 1990-12-18 |
| 4968527 | Method for the manufacture of pyrolytic graphite with high crystallinity and electrodes with the same for rechargeable batteries | Yoshikazu Yoshimoto, Hiroshi Wada, Masaru Yoshida, Shigeo Nakajima, Yoshimitsu Tajima +4 more | 1990-11-06 |
| 4946370 | Method for the production of carbon films having an oriented graphite structure | Yoshikazu Yoshimoto, Yoshiyuki Higashigaki, Shigeo Nakajima, Toshio Inoguchi | 1990-08-07 |
| 4929803 | Planar conductive piece with electrical anisotrophy | Masaru Yoshida, Mitsuhiko Yoshikawa, Yoshikazu Yoshimoto, Hiroshi Wada, Shigeo Nakajima | 1990-05-29 |
| 4917973 | Secondary battery | Yoshikazu Yoshimoto, Hiroshi Wada, Masaru Yoshida, Shigeo Nakajima | 1990-04-17 |
| 4863814 | Electrode and a battery with the same | Motoo Mohri, Hideaki Tanaka, Yoshimitsu Tajima, Yoshikazu Yoshimoto, Shigeo Nakajima +1 more | 1989-09-05 |
| 4863818 | Graphite intercalation compound electrodes for rechargeable batteries and a method for the manufacture of the same | Yoshikazu Yoshimoto, Hiroshi Wada, Masaru Yoshida, Shigeo Nakajima, Yoshimitsu Tajima +4 more | 1989-09-05 |
| 4714639 | Methods and materials for thermoelectric and light-heat conversion | Yoshiyuki Higashigaki, Yoshikazu Yoshimoto, Shigeo Nakajima, Toshio Inoguchi | 1987-12-22 |